mat-progress-bar, .bar-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
}

mat-progress-spinner {
  z-index: 10;
}

.bar-placeholder {
  height: 4px;
  background-color: var(--mdc-linear-progress-track-color);
}

mat-card {
  height: 270px;
}

button {
  z-index: 10;
}

.test-container, .spinner-container {
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1;
}

.spinner-container {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  z-index: 0;
}

